Hello Gwenaëlle,
I think that the mean differences between the protocol of your paper and the protocol described in the forum is that you worked with GM segmented data instead of pre-bet images to the halfway matrices (7 vs 6 DOF) application. Do you think these changes may increase sensibility?
With regard to Giorgio’s paper, sorry but I was referring to “Longitudinal changes in grey and white matter during adolescence” 2010, NeuroImage. Following it, I did the classic preprocessment VBM protocol with both T0 and T1, images and introduced the longitudinal matrix in randomise step. Methodologically, would you consider it correct?
Thank you so much
Nuria
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